IPPINKA Sustee Aquameter, White, Small, Set of 4 - Soil Moisture Meter for Potted Plants - Plant Water Sensor (Refillable Style)

The Sustee Aquameter is a leave-ain soil moisture sensor pen that can be left in the soil for continuous monitoring, unlike other moisture meters that need to be taken out after each measure Set includes four refillable sustee watering sticks - Color: green Has refillable core; allows for replacement cores to be inserted Each stick will last for approximately 6-9 months This soil aqua meter has plant water indicator that changes color depending on soil type White indicates plant needs watering; blue indicates it's been watered